syzbot

------------[ cut here ]------------
WARNING: kernel/sched/core.c:10852 at sched_change_end+0x4f6/0x640 kernel/sched/core.c:10851, CPU#0: syz.4.266/7700
Modules linked in:
CPU: 0 UID: 0 PID: 7700 Comm: syz.4.266 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:sched_change_end+0x4f6/0x640 kernel/sched/core.c:10851
Code: 00 74 26 48 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 e9 1d fc ff ff 90 0f 0b 90 e9 86 fc ff ff 90 <0f> 0b 90 eb d4 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 49 fb ff ff 48
RSP: 0018:ffffc9000e10f850 EFLAGS: 00010046
RAX: 1ffff1100569e7a0 RBX: ffffffff8dba8ed0 RCX: ffffffff8192e20f
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88802b4f3d00
RBP: ffff88802b4f3fa8 R08: ffff88802b4f3d07 R09: 1ffff1100569e7a0
R10: dffffc0000000000 R11: ffffed100569e7a1 R12: dffffc0000000000
R13: ffff88802b4f3d00 R14: ffff8880b863ab00 R15: ffff88802b4f3d00
FS:  00007f39c92496c0(0000) GS:ffff888125c25000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055f650a7dd51 CR3: 00000000322cc000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 class_sched_change_destructor kernel/sched/sched.h:3956 [inline]
 rt_mutex_setprio+0x488/0xb70 kernel/sched/core.c:7331
 rt_mutex_adjust_prio kernel/locking/rtmutex.c:539 [inline]
 remove_waiter+0x7f5/0xaf0 kernel/locking/rtmutex.c:1567
 rt_mutex_cleanup_proxy_lock+0x6c/0x100 kernel/locking/rtmutex_api.c:458
 futex_lock_pi+0x530/0xa90 kernel/futex/pi.c:1067
 do_futex+0x292/0x420 kernel/futex/syscalls.c:146
 __do_sys_futex kernel/futex/syscalls.c:207 [inline]
 __se_sys_futex+0x36f/0x400 kernel/futex/syscalls.c:188
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f39c838f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f39c9249038 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f39c85e6180 RCX: 00007f39c838f749
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 000020000000cffc
RBP: 00007f39c8413f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f39c85e6218 R14: 00007f39c85e6180 R15: 00007ffdc810cf58
 </TASK>